JP5679278B2 - バックライトユニット及び液晶表示装置 - Google Patents

バックライトユニット及び液晶表示装置 Download PDF

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Publication number
JP5679278B2
JP5679278B2 JP2010230075A JP2010230075A JP5679278B2 JP 5679278 B2 JP5679278 B2 JP 5679278B2 JP 2010230075 A JP2010230075 A JP 2010230075A JP 2010230075 A JP2010230075 A JP 2010230075A JP 5679278 B2 JP5679278 B2 JP 5679278B2
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JP
Japan
Prior art keywords
protrusion
wall portion
frame
inner frame
peripheral surface
Prior art date
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Application number
JP2010230075A
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English (en)
Japanese (ja)
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JP2012084414A5 (pt
JP2012084414A (ja
Inventor
勝一 脇田
勝一 脇田
延幸 鈴木
延幸 鈴木
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Liquid Crystal Display Co Ltd
Japan Display Inc
Original Assignee
Panasonic Liquid Crystal Display Co Ltd
Japan Display Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Panasonic Liquid Crystal Display Co Ltd, Japan Display Inc filed Critical Panasonic Liquid Crystal Display Co Ltd
Priority to JP2010230075A priority Critical patent/JP5679278B2/ja
Priority to TW100135928A priority patent/TWI471649B/zh
Priority to US13/267,056 priority patent/US20120086883A1/en
Priority to KR1020110103513A priority patent/KR101313508B1/ko
Priority to CN2011103153185A priority patent/CN102563455A/zh
Priority to EP11184693.7A priority patent/EP2442177B1/en
Publication of JP2012084414A publication Critical patent/JP2012084414A/ja
Publication of JP2012084414A5 publication Critical patent/JP2012084414A5/ja
Application granted granted Critical
Publication of JP5679278B2 publication Critical patent/JP5679278B2/ja
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Anticipated expiration legal-status Critical

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0083—Details of electrical connections of light sources to drivers, circuit boards, or the like
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133317—Intermediate frames, e.g. between backlight housing and front frame
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133322—Mechanical guidance or alignment of LCD panel support components
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/46—Fixing elements
    • G02F2201/465—Snap -fit

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
JP2010230075A 2010-10-12 2010-10-12 バックライトユニット及び液晶表示装置 Active JP5679278B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2010230075A JP5679278B2 (ja) 2010-10-12 2010-10-12 バックライトユニット及び液晶表示装置
TW100135928A TWI471649B (zh) 2010-10-12 2011-10-04 背光單元及液晶顯示裝置
US13/267,056 US20120086883A1 (en) 2010-10-12 2011-10-06 Backlight unit and liquid crystal display device
CN2011103153185A CN102563455A (zh) 2010-10-12 2011-10-11 背光单元及液晶显示装置
KR1020110103513A KR101313508B1 (ko) 2010-10-12 2011-10-11 백라이트 유닛 및 액정 표시 장치
EP11184693.7A EP2442177B1 (en) 2010-10-12 2011-10-11 Backlight unit and liquid crystal display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010230075A JP5679278B2 (ja) 2010-10-12 2010-10-12 バックライトユニット及び液晶表示装置

Publications (3)

Publication Number Publication Date
JP2012084414A JP2012084414A (ja) 2012-04-26
JP2012084414A5 JP2012084414A5 (pt) 2013-11-28
JP5679278B2 true JP5679278B2 (ja) 2015-03-04

Family

ID=44763995

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010230075A Active JP5679278B2 (ja) 2010-10-12 2010-10-12 バックライトユニット及び液晶表示装置

Country Status (6)

Country Link
US (1) US20120086883A1 (pt)
EP (1) EP2442177B1 (pt)
JP (1) JP5679278B2 (pt)
KR (1) KR101313508B1 (pt)
CN (1) CN102563455A (pt)
TW (1) TWI471649B (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012133888A1 (ja) * 2011-04-01 2012-10-04 シャープ株式会社 照明装置、表示装置、及びテレビ受信装置
CN102929012B (zh) * 2012-10-29 2015-02-18 京东方科技集团股份有限公司 显示装置
JP2014154346A (ja) * 2013-02-08 2014-08-25 Japan Display Inc バックライト装置およびこれを備えた表示装置
JP2015184560A (ja) 2014-03-25 2015-10-22 ソニー株式会社 導光装置、画像表示装置及び表示装置
JP2015184561A (ja) 2014-03-25 2015-10-22 ソニー株式会社 導光装置、画像表示装置及び表示装置
CN104061529B (zh) * 2014-06-12 2016-08-17 深圳市华星光电技术有限公司 导光板组件
CN104696829A (zh) * 2015-03-27 2015-06-10 北京京东方多媒体科技有限公司 一种背光模组及显示装置
CN104867408A (zh) * 2015-05-22 2015-08-26 奥捷五金(江苏)有限公司 一种显示产品及其边框结构
CN204853341U (zh) * 2015-08-20 2015-12-09 北京京东方茶谷电子有限公司 一种背光模组、显示模组及显示装置
JP2018116221A (ja) * 2017-01-20 2018-07-26 株式会社ジャパンディスプレイ 液晶表示装置
CN110543037B (zh) * 2018-12-05 2022-06-28 友达光电股份有限公司 显示装置
CN109712538B (zh) * 2019-03-08 2021-03-23 京东方科技集团股份有限公司 一种组合结构、显示装置以及显示设备

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100666321B1 (ko) * 2000-06-30 2007-01-09 삼성전자주식회사 적층형 백라이트 어셈블리, 이를 적용한 액정표시장치 및이들의 조립 방법
KR100852167B1 (ko) * 2002-03-08 2008-08-13 삼성전자주식회사 평판 표시 장치
JP2005043716A (ja) * 2003-07-23 2005-02-17 Hitachi Displays Ltd 表示装置
TWI243608B (en) * 2004-05-31 2005-11-11 Au Optronics Corp Flat panel display
KR100947533B1 (ko) * 2005-03-10 2010-03-12 삼성전자주식회사 백라이트 어셈블리 및 이를 구비한 표시 장치
JP4683274B2 (ja) * 2005-04-26 2011-05-18 ミネベア株式会社 面状照明装置
KR101189088B1 (ko) * 2005-06-22 2012-11-09 삼성디스플레이 주식회사 백라이트 어셈블리 및 이를 갖는 액정표시장치
CN100483210C (zh) * 2005-10-18 2009-04-29 群康科技(深圳)有限公司 背光模组和液晶显示装置
JP5061553B2 (ja) * 2006-09-25 2012-10-31 カシオ計算機株式会社 画像表示モジュール
US8284343B2 (en) * 2007-09-14 2012-10-09 Sharp Kabushiki Kaisha Frame structure and display equipped with the same
JP2009086070A (ja) * 2007-09-28 2009-04-23 Casio Comput Co Ltd 液晶表示モジュール
JP2009192769A (ja) * 2008-02-14 2009-08-27 Hitachi Displays Ltd 液晶表示装置
US20100061120A1 (en) * 2008-09-08 2010-03-11 Cheng Uei Precision Industry Co., Ltd. Frame For Back Light Module
CN201359237Y (zh) * 2009-03-06 2009-12-09 北京京东方光电科技有限公司 背光模组

Also Published As

Publication number Publication date
KR20120037891A (ko) 2012-04-20
TWI471649B (zh) 2015-02-01
KR101313508B1 (ko) 2013-10-01
CN102563455A (zh) 2012-07-11
EP2442177B1 (en) 2013-06-19
EP2442177A1 (en) 2012-04-18
US20120086883A1 (en) 2012-04-12
JP2012084414A (ja) 2012-04-26
TW201222100A (en) 2012-06-01

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